Technical Memorandum No. 6: Alternatives — Seattle-Tacoma International Airport

This 2017 technical memorandum, prepared by Leigh Fisher for the Port of Seattle, outlines development alternatives for Seattle-Tacoma International Airport as part of a Sustainable Airport Master Plan. It covers proposed changes to the airfield, passenger terminals, ground access, parking, air cargo facilities, and general aviation. The document evaluates options such as runway relocations, new taxiway configurations, and terminal expansions to address capacity, safety compliance, and long-term growth needs.

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Technical Memorandum No. 6 (Final) for the Sustainable Airport Master Plan (SAMP) at Seattle-Tacoma International Airport, prepared by Leigh Fisher for the Port of Seattle, October 2017. Covers airfield alternatives including runway relocation, end-around taxiways, centerfield taxiway, runway crossing points, midfield aircraft staging area, and compliance issues (runway incursion hot spots, high-energy intersections, right-angle intersections, high-speed exit placement, no-taxi islands, three-node concept, blast pad geometry). Also addresses passenger terminal alternatives, ground access and parking, air cargo, airline support, airport support, general aviation, and comprehensive airport development alternatives. Sub-consultants include CH2M Hill Engineers, Corgan Associates, Lea+Elliott, Logplan, PRR, Quantum Spatial, and Synergy Consultants.

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